KEY POINTS
  • Russian President Vladimir Putin said Thursday that Moscow will deploy hypersonic weapons in the "coming months."
  • A hypersonic weapon is a missile that travels at Mach 5 or higher, which is at least five times faster than the speed of sound. That means a hypersonic weapon can travel about one mile per second.
  • The U.S. is currently unable to defend against hypersonic weapons.

WASHINGTON — Russian President Vladimir Putin said Thursday that Moscow will deploy hypersonic weapons in the "coming months," a significant step that would enable the Kremlin to surpass the U.S. and China.

A hypersonic weapon can travel at least five times the speed of sound, or about one mile per second. What's more, the U.S. is currently unable to defend against this breed of threat.